Define EnumTraits for many IndexedDB enums.

content/common/indexed_db/indexed_db_enum_traits.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/common/indexed_db/indexed_db_enum_traits.h"
+
+using indexed_db::mojom::CursorDirection;
+using indexed_db::mojom::DataLoss;
+using indexed_db::mojom::PutMode;
+using indexed_db::mojom::TaskType;
+using indexed_db::mojom::TransactionMode;
+
+namespace mojo {
+
+// static
+CursorDirection
+EnumTraits<CursorDirection, blink::WebIDBCursorDirection>::ToMojom(
+    blink::WebIDBCursorDirection input) {
+  switch (input) {
+    case blink::WebIDBCursorDirectionNext:
+      return CursorDirection::Next;
+    case blink::WebIDBCursorDirectionNextNoDuplicate:
+      return CursorDirection::NextNoDuplicate;
+    case blink::WebIDBCursorDirectionPrev:
+      return CursorDirection::Prev;
+    case blink::WebIDBCursorDirectionPrevNoDuplicate:
+      return CursorDirection::PrevNoDuplicate;
+  }
+  NOTREACHED();
+  return CursorDirection::Next;
+}
+
+// static
+bool EnumTraits<CursorDirection, blink::WebIDBCursorDirection>::FromMojom(
+    CursorDirection input,
+    blink::WebIDBCursorDirection* output) {
+  switch (input) {
+    case CursorDirection::Next:
+      *output = blink::WebIDBCursorDirectionNext;
+      return true;
+    case CursorDirection::NextNoDuplicate:
+      *output = blink::WebIDBCursorDirectionNextNoDuplicate;
+      return true;
+    case CursorDirection::Prev:
+      *output = blink::WebIDBCursorDirectionPrev;
+      return true;
+    case CursorDirection::PrevNoDuplicate:
+      *output = blink::WebIDBCursorDirectionPrevNoDuplicate;
+      return true;
+  }
+  return false;
+}
+
+// static
+DataLoss EnumTraits<DataLoss, blink::WebIDBDataLoss>::ToMojom(
+    blink::WebIDBDataLoss input) {
+  switch (input) {
+    case blink::WebIDBDataLossNone:
+      return DataLoss::None;
+    case blink::WebIDBDataLossTotal:
+      return DataLoss::Total;
+  }
+  NOTREACHED();
+  return DataLoss::None;
+}
+
+// static
+bool EnumTraits<DataLoss, blink::WebIDBDataLoss>::FromMojom(
+    DataLoss input,
+    blink::WebIDBDataLoss* output) {
+  switch (input) {
+    case DataLoss::None:
+      *output = blink::WebIDBDataLossNone;
+      return true;
+    case DataLoss::Total:
+      *output = blink::WebIDBDataLossTotal;
+      return true;
+  }
+  return false;
+}
+
+// static
+PutMode EnumTraits<PutMode, blink::WebIDBPutMode>::ToMojom(
+    blink::WebIDBPutMode input) {
+  switch (input) {
+    case blink::WebIDBPutModeAddOrUpdate:
+      return PutMode::AddOrUpdate;
+    case blink::WebIDBPutModeAddOnly:
+      return PutMode::AddOnly;
+    case blink::WebIDBPutModeCursorUpdate:
+      return PutMode::CursorUpdate;
+  }
+  NOTREACHED();
+  return PutMode::AddOrUpdate;
+}
+
+// static
+bool EnumTraits<PutMode, blink::WebIDBPutMode>::FromMojom(
+    PutMode input,
+    blink::WebIDBPutMode* output) {
+  switch (input) {
+    case PutMode::AddOrUpdate:
+      *output = blink::WebIDBPutModeAddOrUpdate;
+      return true;
+    case PutMode::AddOnly:
+      *output = blink::WebIDBPutModeAddOnly;
+      return true;
+    case PutMode::CursorUpdate:
+      *output = blink::WebIDBPutModeCursorUpdate;
+      return true;
+  }
+  return false;
+}
+
+// static
+TaskType EnumTraits<TaskType, blink::WebIDBTaskType>::ToMojom(
+    blink::WebIDBTaskType input) {
+  switch (input) {
+    case blink::WebIDBTaskTypeNormal:
+      return TaskType::Normal;
+    case blink::WebIDBTaskTypePreemptive:
+      return TaskType::Preemptive;
+  }
+  NOTREACHED();
+  return TaskType::Normal;
+}
+
+// static
+bool EnumTraits<TaskType, blink::WebIDBTaskType>::FromMojom(
+    TaskType input,
+    blink::WebIDBTaskType* output) {
+  switch (input) {
+    case TaskType::Normal:
+      *output = blink::WebIDBTaskTypeNormal;
+      return true;
+    case TaskType::Preemptive:
+      *output = blink::WebIDBTaskTypePreemptive;
+      return true;
+  }
+  return false;
+}
+
+// static
+TransactionMode
+EnumTraits<TransactionMode, blink::WebIDBTransactionMode>::ToMojom(
+    blink::WebIDBTransactionMode input) {
+  switch (input) {
+    case blink::WebIDBTransactionModeReadOnly:
+      return TransactionMode::ReadOnly;
+    case blink::WebIDBTransactionModeReadWrite:
+      return TransactionMode::ReadWrite;
+    case blink::WebIDBTransactionModeVersionChange:
+      return TransactionMode::VersionChange;
+  }
+  NOTREACHED();
+  return TransactionMode::ReadOnly;
+}
+
+// static
+bool EnumTraits<TransactionMode, blink::WebIDBTransactionMode>::FromMojom(
+    TransactionMode input,
+    blink::WebIDBTransactionMode* output) {
+  switch (input) {
+    case TransactionMode::ReadOnly:
+      *output = blink::WebIDBTransactionModeReadOnly;
+      return true;
+    case TransactionMode::ReadWrite:
+      *output = blink::WebIDBTransactionModeReadWrite;
+      return true;
+    case TransactionMode::VersionChange:
+      *output = blink::WebIDBTransactionModeVersionChange;
+      return true;
+  }
+  return false;
+}
+
+}  // namespace mojo